Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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For every organism that has ever lived,
a. | there is only one question to ask. | b. | many questions could be
asked. | c. | every question has already been asked. | d. | every question has already been
answered. |
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2.
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What is the advantage of creating a model of a dinosaur?
a. | Dinosaurs are too large to easily study. | b. | Real dinosaurs
cannot be studied because they died out long ago. | c. | Dinosaurs are too complicated to study without
a model. | d. | The model is safer to work with. |
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3.
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Life science has few scientific laws because
a. | people don’t want them. | b. | life scientists have not done enough
experiments. | c. | living organisms are so complex. | d. | scientists need to build more
models. |
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4.
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Which tool has a tube with lenses, a stage, and a light?
a. | a scanning electron microscope | c. | a transmission electron
microscope | b. | a compound light microscope | d. | an MRI |
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5.
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Which is a physical model?
a. | a comparison | c. | a toy airplane | b. | an equation | d. | a graph |
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6.
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What term refers to the amount of space an object takes up?
a. | volume | c. | area | b. | mass | d. | length |
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7.
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After many experiments, observations, and testing of hypotheses, scientists hope
to develop an explanation for all of them. This explanation would be called a
a. | law. | c. | hypothesis. | b. | theory. | d. | prediction. |
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Use the graph below to answer the following question.
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8.
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What question did the scientists who collected this data want to answer?
a. | Are there more earthworms in the soil in the spring or in the
fall? | b. | What is the effect of plowing soil on the number of earthworms? | c. | How is the size of
earthworms affected by the seasons? | d. | Does plowing soil affect how fast earthworms
grow? |
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9.
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Which of the following is NOT a characteristic that all organisms share?
a. | ability to taste and smell | c. | ability to grow and
develop | b. | ability to use energy | d. | ability to sense and respond to change |
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10.
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What do gravity, sounds, and light have in common?
a. | They are necessary for survival. | b. | They are characteristics of
life. | c. | They are experiences all organisms share. | d. | They are examples of
stimuli. |
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11.
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Approximately how much of the human body is water?
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12.
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What is passing genetic traits from parents to offspring called?
a. | homeostasis | c. | heredity | b. | sexual reproduction | d. | metabolism |
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13.
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Which of the following are NOT used by cells for energy storage?
a. | fats | c. | carbohydrates | b. | oils | d. | nucleic acids |
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14.
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What is one characteristic that all living things share?
a. | Their cells have DNA. | c. | They can move. | b. | They can smell and taste. | d. | They have two or more
cells. |
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Completion
Complete each
statement.
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Use the terms from the following list to complete the sentences below.
| mass | electron
microscope | | scientific methods | theory | | volume | technology | | hypothesis | compound light microscope | | |
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15.
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A set of related hypotheses that are supported by evidence may become accepted
as a ____________________.
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16.
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Using ____________________, scientists follow steps to answer questions and
solve problems.
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Use the terms from the following list to complete the sentences below.
| model | scientific
methods | | life science | controlled experiment | | |
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17.
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A ____________________ is a representation of an object or a system.
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18.
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The steps scientists use to answer questions are called
____________________.
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19.
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A ____________________ tests only one factor at a time.
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Use the terms from the following list to complete the sentences
below.
| producer | decomposer | | asexual | consumer | | |
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20.
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A living thing that makes its own food is a(n) ____________________.
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21.
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A living thing that breaks down the nutrients of dead organisms is a(n)
____________________.
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Short Answer
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22.
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Why is the rejection of a hypothesis helpful to scientists?
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23.
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What kind of model is a globe, and what are some of its limitations?
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Matching
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Match each item with the correct statement below. a. | area | d. | temperature | b. | volume | e. | length | c. | mass |
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24.
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tells how much energy is in matter
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25.
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SI units are kelvins
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Match each item with the correct statement below. a. | ATP | f. | consumer | b. | carbohydrate | g. | producer | c. | lipid | h. | nucleic acid | d. | protein | i. | decomposer | e. | phospholipid |
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26.
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an organism that makes its own food
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27.
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an organism that eats other organisms or organic matter
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28.
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a molecule that is sometimes called the blueprint of life
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29.
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a large molecule made up of smaller molecules called amino acids
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30.
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a molecule that forms much of the cell membrane
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31.
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an energy-storing compound that cannot mix with water
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Match each item with the correct statement below. a. | metabolism | c. | ATP | b. | phospholipid | d. | homeostasis |
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32.
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the sum of all chemical activities a living thing performs
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Essay
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33.
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Life science students set up the following experiment. They filled four test
tubes with the same amount of water and dry yeast, a microscopic organism. They placed each test tube
in a different place. Test tube A was in the dark at 50º F. Test tube B was in the light at
60º F. Test tube C was in the dark at 70º F. Test tube D was in the light at 80º F.
Evaluate the students’ experimental setup.
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